#include<stdio.h> 
struct data{
	int year;
	int month;
	int day;
};
struct student{
	int age;
	struct data birthdy;
};
struct student s;

int main(){
s.birthdy.month=1;
s.birthdy.year=2;
	printf("%d\n",s.age);
	return 0;
}
 
